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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 26 — Sep. 10, 2010
  • pp: 4883–4889

Predictive analog-to-digital converter for Fourier-transform spectrometers

Jean-Daniel Deschênes, Simon Potvin, Jean-Simon Ash, and Jérôme Genest  »View Author Affiliations

Applied Optics, Vol. 49, Issue 26, pp. 4883-4889 (2010)

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This paper proposes the use of predictive analog-to-digital converters (ADC) to handle dynamic range issues in Fourier-transform spectrometers. Several predictive approaches are proposed, and one is implemented experimentally to show that the technique works. A system was implemented with 16 bit ( 13 bits effective) ADCs and digital-to-analog converters (DACs) operated at 8 bits to provide a comparison basis. Measurements of a blackbody at 900 ° C performed using the setup show a 13 bit effective performance, limited by the input noise of the data acquisition card.

© 2010 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6190) Spectroscopy : Spectrometers
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(120.6085) Instrumentation, measurement, and metrology : Space instrumentation

ToC Category:

Original Manuscript: June 14, 2010
Manuscript Accepted: July 21, 2010
Published: September 2, 2010

Jean-Daniel Deschênes, Simon Potvin, Jean-Simon Ash, and Jérôme Genest, "Predictive analog-to-digital converter for Fourier-transform spectrometers," Appl. Opt. 49, 4883-4889 (2010)

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